Air treatment system



FIG. 1 is a perspective view of an embodiment of the air treatmentsystem of the new design;

FIG. 2 is a left side elevational view thereof, the right sideelevational view being identical thereto;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view of a second alternative embodiment of theair treatment system of the new design;

FIG. 8 is a left side elevational view thereof, the right sideelevational view being identical thereto;

FIG. 9 is a front elevational view thereof;

FIG. 10 is a rear elevational view thereof;

FIG. 11 is a top plan view thereof; and,

FIG. 12 is a bottom plan view thereof.

FIGS. 1-4 and 6-12 show features of the air treatment system in phantomlines. These features are shown for environmental purposes and do notform any part of the claimed design. Further, the phantom linesimmediately adjacent the solid-line portions of the design form theboundary of the design, with the phantom lines forming no part of theclaimed design.

CLAIM The ornamental design for an air treatment system, as shown anddescribed.